Create Equation
Function Notation
Function or not?
100
A taxi charges a $5 flat fee, plus $2 per mile traveled.
Define variables and write an equation to model the situation.
x represents number of miles travelled
y represents total cost
2x+5=y
100
Evaluate f(x)=x+3 if x=2
What is 5?
100
Determine if this relation is a function.
What is a function?
200
A plant grows 3 inches every week, starting at 7 inches tall.
Define variables and write an equation to model the situation.
x represents the number of weeks
y represents the total height
3x+7=y
200
Evaluate f(x)=3x-4. Find x=25
What is 71.
200
Determine whether this relation is a function:
What is not a function?
300
You earn $15 per hour at your job, and you already have $100 saved.
Define variables and write an equation to model the situation.
x represents number of hours
y represents total saved
15x+100=y
300
Evaluate g(x)=-2x+8 for g(3)
What is g(3)= 2
300
Determine which relation is a function:
Option A:
Option B:
What is B?
400
A $20,000 car loses $1,500 in value every year after it's purchased.
Define variables and write an equation to model the situation.
x represents number of years
y represents total value of the car
20,000 - 1,500x = y
400
Evaluate g(x)=-4x+34 for g(7).
What is g(7)=6?
400
Determine whether this graph is a function or not. If it is not a function, what rule or property explains it so?
What is a function?
500
Your bank account is overdrawn by $50 and you're losing $10 per day in fees.
Define variables and write an equation to model the situation.
x represents number of days
y represents amount of money in bank account
-50 - 10x = y
500
Evaluate g(x)=-2x-45 for g(-3).
What is g(-3)=-39
500
Determine whether this graph is a function or not. If it is not a function, what rule or property explains it so?
What is not a function since it does not pass a vertical line test?